Pmg5318-B20A Firmware Security Vulnerabilities - 2015

CVE-2015-6016

ZyXEL P-660HW-T1 2 devices with ZyNOS firmware 3.40(AXH.0), PMG5318-B20A devices with firmware 1.00AANC0b5, and NBG-418N devices have a default password of 1234 for the admin account, which allows remote attackers to obtain administrative access via unspecified vectors.

CVE-2015-6018

The diagnostic-ping implementation on ZyXEL PMG5318-B20A devices with firmware before 1.00(AANC.2)C0 allows remote attackers to execute arbitrary commands via the PingIPAddr parameter.

CVE-2015-6019

The management portal on ZyXEL PMG5318-B20A devices with firmware 1.00AANC0b5 does not terminate sessions upon a logout action, which allows remote attackers to bypass intended access restrictions by leveraging an unattended workstation.

CVE-2015-6020

ZyXEL PMG5318-B20A devices with firmware 1.00AANC0b5 allow remote authenticated users to obtain administrative privileges by leveraging access to the user account.